{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["vulnerable system", "vulnerable system owner", "vulnerable system version", "discoverer", "time", "capabilities", "supported platform"]}], "input": "BMW has experienced this before too – three years ago it suffered an embarrassing security flaw in its car ConnectedDrive software door - locking systems ."}
{"discover vulnerability": [{"vulnerable system": ["door - locking systems", "car", "ConnectedDrive software"], "vulnerable system owner": ["BMW", "it"], "vulnerable system version": "NAN", "discoverer": "NAN", "time": "three years ago", "capabilities": "NAN", "supported platform": "NAN"}]}